Scientists calculated just how much U.S. butterfly populations have declined in the past 20 years. The results brought some scientists to tears, and have them warning about dire implications for other ...

Plus: President Trump's sweeping freeze on federal funding has been hit with another legal blow. | A deadline looms to avoid ...

On Monday, the U.S. Secretary of the Interior officially renamed the Anahuac National Wildlife Refuge after Jocelyn Nungaray, a 12-year-old Houston girl who was murdered last year.

The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they ...

The annual butterfly count doesn’t calculate the individual ... Butterflies have not been faring well north of the border. The Xerces Society for Invertebrate Conservation has been counting ...